body{
    background-color: gainsboro;
}
.mask{
    position: absolute;
    background: rgba(0,0,0,.2);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: none;
}
.mask .re-pwd{
    position: fixed;
    /*margin: 100px auto;*/
    background-color: white;
    width: 500px;
    height: 310px;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0px 0px 20px #ddd;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 999;
}
.title{
    position: relative;
    height: 42px;
    width: 500px;
    border-bottom: 1px solid silver;
    color: #00a1d6;
    font-size: 18px;
    line-height: 42px;
    cursor: move;
}
.close{
    position: absolute;
    height: 42px;
    width: 42px;
    color: #717171;
    font-size: 30px;
    line-height: 42px;
    text-align: center;
    top: 0;
    right: 0;
    cursor: default;
}
.close:hover{
    background-color: crimson;
    color: white;
}
.title span{
    margin-left: 20px;
}
.new-pwd{
    width: 500px;
    height: 190px;
}
.new-pwd .lf{
    float: left;
    width: 150px;
    height: 200px;
}
.new-pwd .lr{
    float: left;
    width: 350px;
    height: 200px;
}
.new-pwd li{
    height: 50px;
    margin-top: 20px;
    font-size: 20px;
    line-height: 50px;
}
.new-pwd .lf li{
    float: right;
}
.new-pwd li input{
    width: 200px;
    height: 30px;
    border-radius: 5px;
    border: 1px solid #717171;
}
.new-pwd li input:focus{
    border: 1px solid #00a1d6;
}
.re-btn{
    width: 500px;
    height: 30px;
    text-align: center;
}
.re-btn button{
    height: 40px;
    width: 100px;
    border-radius: 5px;
    background-color: #00a1d6;
    color: white;
}
.re-btn button:hover{
    background-color: #00AAFF;
}
header{
    position: relative;
    height: 44px;
    background-color: darkcyan;
}
.header-title{
    margin-left: 200px;
    float: left;
    height: 44px;
    width: 150px;
    text-align: center;
    line-height: 44px;
    font-size: 22px;
    color: white;
}
.header-right{
    float: right;
    height: 44px;
    width: 100px;
    margin-right: 35px;
    line-height: 44px;
}
.header-right a{
    margin-left: 15px;
    color: white;
}
.move{
    float: left;
    width: 200px;
}
.login-after{
    display: none;
    position: absolute;
    height: 44px;
    width: 300px;
    top: 0;
    line-height: 44px;
    right: 50px;
    color: white;
}
.login-after a{
   float: right;
    color: darkred;
}
.login-after ul{
    background-color: whitesmoke;
    width: 100px;
    color: black;
    text-align: center;
    margin-left: 20px;
    display: none;
}
.login-after ul li:hover{
    color: crimson;
}
#uname{
    font-size: 20px;
}
.search{
    margin-top: 10px;
    height: 35px;
    width: 650px;
    margin-left: 400px;
}
.search input{
    float: left;
    height: 35px;
    width: 450px;
    padding: 5px;
}
.search button{
    float: right;
    height: 35px;
    width: 170px;
    background-color: darkcyan;
    color: white;
}
nav{
    margin-top: 15px;
    width: 720px;
    height: 35px;
    margin-left: 370px;
    margin-bottom: 15px;
}nav ul li{
    display: inline-block;
    width: 90px;
    height: 35px;
    font-size: 15px;
    color: dimgray;
    line-height: 35px;
    text-align: center;
 }
 nav ul{
     font-size: 0;
 }
 .current{
     border-bottom: 2px solid darkcyan;
     color: darkcyan;
 }
 .mid{
     height: 530px;
 }
 .w{
     width: 1100px;
     margin:0 auto;
 }
 .main ul li{
     float: left;
     width: 200px;
     height: 250px;
     margin-bottom: 15px;
     margin-right: 15px;
     background-color: white;
     border-radius: 15px;
 }
 .img{
     height: 160px;
     width: 200px;
     text-align: center;
     margin-top: 15px;
     line-height: 160px;
 }
 .main span{
     display: block;
     width: 165px;
     font-size: 13px;
     margin-left: 15px;
     white-space: nowrap;/* 强制一行显示 */
     overflow: hidden;/* 超出部分隐藏 */
     text-overflow: ellipsis;/* 用省略号代替超出的部分 */
 }
 .autor{
     font-size: 13px;
     margin-left: 15px;
     color: gray;
     margin-top: 5px;
 }
 .money{
     font-size: 18px;
     color: crimson;
     margin-left: 15px;
     margin-top: 5px;
 }